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13407045 = 352338861
BaseRepresentation
bin110011001001…
…001101000101
3221020011000020
4303021031011
511413011140
61155205353
7221646411
oct63111505
927204006
1013407045
117627a03
1245a6859
132a15582
141acdd41
15129c6d0
hexcc9345

13407045 has 16 divisors (see below), whose sum is σ = 22384512. Its totient is φ = 6839360.

The previous prime is 13406977. The next prime is 13407047. The reversal of 13407045 is 54070431.

It is not a de Polignac number, because 13407045 - 27 = 13406917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13407047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19086 + ... + 19775.

It is an arithmetic number, because the mean of its divisors is an integer number (1399032).

Almost surely, 213407045 is an apocalyptic number.

13407045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13407045 is a deficient number, since it is larger than the sum of its proper divisors (8977467).

13407045 is a wasteful number, since it uses less digits than its factorization.

13407045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38892.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 13407045 is about 3661.5631907698. The cubic root of 13407045 is about 237.5623917337.

Adding to 13407045 its reverse (54070431), we get a palindrome (67477476).

It can be divided in two parts, 1340 and 7045, that added together give a triangular number (8385 = T129).

The spelling of 13407045 in words is "thirteen million, four hundred seven thousand, forty-five".

Divisors: 1 3 5 15 23 69 115 345 38861 116583 194305 582915 893803 2681409 4469015 13407045