13992425 has 12 divisors (see below), whose sum is σ = 17397696. Its totient is φ = 11163600.

The previous prime is 13992403. The next prime is 13992427. The reversal of 13992425 is 52429931.

13992425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13992425 - 2⁶ = 13992361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13992427) 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, 15332 + ... + 16218.

It is an arithmetic number, because the mean of its divisors is an integer number (1449808).

Almost surely, 2^13992425 is an apocalyptic number.

It is an amenable number.

13992425 is a deficient number, since it is larger than the sum of its proper divisors (3405271).

13992425 is an equidigital number, since it uses as much as digits as its factorization.

13992425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528 (or 1523 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 13992425 is about 3740.6449978580. The cubic root of 13992425 is about 240.9707499380.

The spelling of 13992425 in words is "thirteen million, nine hundred ninety-two thousand, four hundred twenty-five".