13214725 has 12 divisors (see below), whose sum is σ = 16596160. Its totient is φ = 10436400.

The previous prime is 13214723. The next prime is 13214737. The reversal of 13214725 is 52741231.

It is a happy number.

It is not a de Polignac number, because 13214725 - 2¹ = 13214723 is a prime.

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 13214725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13214723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1371 + ... + 5320.

Almost surely, 2^13214725 is an apocalyptic number.

It is an amenable number.

13214725 is a deficient number, since it is larger than the sum of its proper divisors (3381435).

13214725 is an equidigital number, since it uses as much as digits as its factorization.

13214725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6780 (or 6775 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 13214725 is about 3635.2063215174. The cubic root of 13214725 is about 236.4209963667.

Adding to 13214725 its reverse (52741231), we get a palindrome (65955956).

The spelling of 13214725 in words is "thirteen million, two hundred fourteen thousand, seven hundred twenty-five".