13142925 has 24 divisors (see below), whose sum is σ = 24145280. Its totient is φ = 7009200.

The previous prime is 13142923. The next prime is 13142929. The reversal of 13142925 is 52924131.

It is not a de Polignac number, because 13142925 - 2¹ = 13142923 is a prime.

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 (13142923) 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 23 ways as a sum of consecutive naturals, for example, 9061 + ... + 10410.

Almost surely, 2^13142925 is an apocalyptic number.

13142925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13142925 is a deficient number, since it is larger than the sum of its proper divisors (11002355).

13142925 is a wasteful number, since it uses less digits than its factorization.

13142925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19490 (or 19479 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 13142925 is about 3625.3172274989. The cubic root of 13142925 is about 235.9920338688.

The spelling of 13142925 in words is "thirteen million, one hundred forty-two thousand, nine hundred twenty-five".