13740325 has 12 divisors (see below), whose sum is σ = 17935360. Its totient is φ = 10413360.

The previous prime is 13740323. The next prime is 13740329. The reversal of 13740325 is 52304731.

It is not a de Polignac number, because 13740325 - 2¹ = 13740323 is a prime.

It is a super-2 number, since 2×13740325² = 377593062211250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 13740325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13740323) 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 11 ways as a sum of consecutive naturals, for example, 13989 + ... + 14938.

Almost surely, 2^13740325 is an apocalyptic number.

It is an amenable number.

13740325 is a deficient number, since it is larger than the sum of its proper divisors (4195035).

13740325 is a wasteful number, since it uses less digits than its factorization.

13740325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28956 (or 28951 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 13740325 is about 3706.7944372463. The cubic root of 13740325 is about 239.5147893814.

The spelling of 13740325 in words is "thirteen million, seven hundred forty thousand, three hundred twenty-five".