13158207 has 24 divisors (see below), whose sum is σ = 19887504. Its totient is φ = 8693568.

The previous prime is 13158193. The next prime is 13158227. The reversal of 13158207 is 70285131.

It is not a de Polignac number, because 13158207 - 2⁸ = 13157951 is a prime.

It is a super-2 number, since 2×13158207² = 346276822909698, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13158227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41883 + ... + 42195.

It is an arithmetic number, because the mean of its divisors is an integer number (828646).

Almost surely, 2^13158207 is an apocalyptic number.

13158207 is a deficient number, since it is larger than the sum of its proper divisors (6729297).

13158207 is an equidigital number, since it uses as much as digits as its factorization.

13158207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 13158207 is about 3627.4242928006. The cubic root of 13158207 is about 236.0834654024.

The spelling of 13158207 in words is "thirteen million, one hundred fifty-eight thousand, two hundred seven".