13961025 has 96 divisors (see below), whose sum is σ = 29025920. Its totient is φ = 6531840.

The previous prime is 13960987. The next prime is 13961071. The reversal of 13961025 is 52016931.

It is not a de Polignac number, because 13961025 - 2⁷ = 13960897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13961025.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 324654 + ... + 324696.

Almost surely, 2^13961025 is an apocalyptic number.

13961025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13961025 is an abundant number, since it is smaller than the sum of its proper divisors (15064895).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13961025 is a wasteful number, since it uses less digits than its factorization.

13961025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 13961025 is about 3736.4455034163. The cubic root of 13961025 is about 240.7903630853.

Adding to 13961025 its reverse (52016931), we get a palindrome (65977956).

The spelling of 13961025 in words is "thirteen million, nine hundred sixty-one thousand, twenty-five".