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13419413 = 71917059
BaseRepresentation
bin110011001100…
…001110010101
3221020202222022
4303030032111
511413410123
61155342525
7222030440
oct63141625
927222868
1013419413
117636227
1245b1a45
132a1b0a7
141ad4657
1512a11c8
hexccc395

13419413 has 4 divisors (see below), whose sum is σ = 15336480. Its totient is φ = 11502348.

The previous prime is 13419401. The next prime is 13419433. The reversal of 13419413 is 31491431.

13419413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31491431 = 64748673.

It is a cyclic number.

It is not a de Polignac number, because 13419413 - 26 = 13419349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13419433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958523 + ... + 958536.

It is an arithmetic number, because the mean of its divisors is an integer number (3834120).

Almost surely, 213419413 is an apocalyptic number.

It is an amenable number.

13419413 is a deficient number, since it is larger than the sum of its proper divisors (1917067).

13419413 is an equidigital number, since it uses as much as digits as its factorization.

13419413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917066.

The product of its digits is 1296, while the sum is 26.

The square root of 13419413 is about 3663.2516976042. The cubic root of 13419413 is about 237.6354197235.

The spelling of 13419413 in words is "thirteen million, four hundred nineteen thousand, four hundred thirteen".

Divisors: 1 7 1917059 13419413