12401025 has 96 divisors (see below), whose sum is σ = 26664960. Its totient is φ = 4942080.

The previous prime is 12400987. The next prime is 12401027. The reversal of 12401025 is 52010421.

12401025 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12401025 - 2⁷ = 12400897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

12401025 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 12400995 and 12401013.

It is not an unprimeable number, because it can be changed into a prime (12401027) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 156936 + ... + 157014.

It is an arithmetic number, because the mean of its divisors is an integer number (277760).

Almost surely, 2^12401025 is an apocalyptic number.

12401025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12401025 is an abundant number, since it is smaller than the sum of its proper divisors (14263935).

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

12401025 is a wasteful number, since it uses less digits than its factorization.

12401025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 12401025 is about 3521.5089095443. The cubic root of 12401025 is about 231.4652828408.

Adding to 12401025 its reverse (52010421), we get a palindrome (64411446).

The spelling of 12401025 in words is "twelve million, four hundred one thousand, twenty-five".