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13392007 = 27149417
BaseRepresentation
bin110011000101…
…100010000111
3221012101101021
4303011202013
511412021012
61155012011
7221554516
oct63054207
927171337
1013392007
117617682
12459a007
132a0b785
141ac867d
151298007
hexcc5887

13392007 has 4 divisors (see below), whose sum is σ = 13441696. Its totient is φ = 13342320.

The previous prime is 13391981. The next prime is 13392011. The reversal of 13392007 is 70029331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70029331 = 137511163.

It is a cyclic number.

It is not a de Polignac number, because 13392007 - 219 = 12867719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13392047) 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 3 ways as a sum of consecutive naturals, for example, 24438 + ... + 24979.

It is an arithmetic number, because the mean of its divisors is an integer number (3360424).

Almost surely, 213392007 is an apocalyptic number.

13392007 is a deficient number, since it is larger than the sum of its proper divisors (49689).

13392007 is an equidigital number, since it uses as much as digits as its factorization.

13392007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49688.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 13392007 is about 3659.5091200870. The cubic root of 13392007 is about 237.4735379566.

The spelling of 13392007 in words is "thirteen million, three hundred ninety-two thousand, seven".

Divisors: 1 271 49417 13392007