13725970 has 32 divisors (see below), whose sum is σ = 26345088. Its totient is φ = 5131008.

The previous prime is 13725941. The next prime is 13725977. The reversal of 13725970 is 7952731.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (13725977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44557 + ... + 44863.

It is an arithmetic number, because the mean of its divisors is an integer number (823284).

Almost surely, 2^13725970 is an apocalyptic number.

13725970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13725970 is a deficient number, since it is larger than the sum of its proper divisors (12619118).

13725970 is a wasteful number, since it uses less digits than its factorization.

13725970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 13725970 is about 3704.8576220956. The cubic root of 13725970 is about 239.4313504806.

The spelling of 13725970 in words is "thirteen million, seven hundred twenty-five thousand, nine hundred seventy".