12401572 has 12 divisors (see below), whose sum is σ = 21775600. Its totient is φ = 6179976.

The previous prime is 12401569. The next prime is 12401573. The reversal of 12401572 is 27510421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12401573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3822 + ... + 6277.

Almost surely, 2^12401572 is an apocalyptic number.

It is an amenable number.

12401572 is a deficient number, since it is larger than the sum of its proper divisors (9374028).

12401572 is a wasteful number, since it uses less digits than its factorization.

12401572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10410 (or 10408 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 12401572 is about 3521.5865742588. The cubic root of 12401572 is about 231.4686860446.

Adding to 12401572 its reverse (27510421), we get a palindrome (39911993).

The spelling of 12401572 in words is "twelve million, four hundred one thousand, five hundred seventy-two".