12401960 has 16 divisors (see below), whose sum is σ = 27904500. Its totient is φ = 4960768.

The previous prime is 12401957. The next prime is 12401969. The reversal of 12401960 is 6910421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10252804 + 2149156 = 3202^2 + 1466^2 .

It is a super-2 number, since 2×12401960² = 307617223683200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12401969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154985 + ... + 155064.

Almost surely, 2^12401960 is an apocalyptic number.

12401960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12401960 is an abundant number, since it is smaller than the sum of its proper divisors (15502540).

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

12401960 is a wasteful number, since it uses less digits than its factorization.

12401960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310060 (or 310056 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 12401960 is about 3521.6416626341. The cubic root of 12401960 is about 231.4710999567.

The spelling of 12401960 in words is "twelve million, four hundred one thousand, nine hundred sixty".