13742725 has 24 divisors (see below), whose sum is σ = 17811360. Its totient is φ = 10509120.

The previous prime is 13742713. The next prime is 13742731. The reversal of 13742725 is 52724731.

It is not a de Polignac number, because 13742725 - 2¹⁵ = 13709957 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 76686 + ... + 76864.

It is an arithmetic number, because the mean of its divisors is an integer number (742140).

Almost surely, 2^13742725 is an apocalyptic number.

It is an amenable number.

13742725 is a deficient number, since it is larger than the sum of its proper divisors (4068635).

13742725 is a wasteful number, since it uses less digits than its factorization.

13742725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 304 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 13742725 is about 3707.1181529592. The cubic root of 13742725 is about 239.5287337878.

The spelling of 13742725 in words is "thirteen million, seven hundred forty-two thousand, seven hundred twenty-five".