12641412 has 36 divisors (see below), whose sum is σ = 34314000. Its totient is φ = 3611664.

The previous prime is 12641411. The next prime is 12641429. The reversal of 12641412 is 21414621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12641411) 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, 10162 + ... + 11337.

Almost surely, 2^12641412 is an apocalyptic number.

12641412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12641412 is an abundant number, since it is smaller than the sum of its proper divisors (21672588).

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

12641412 is a wasteful number, since it uses less digits than its factorization.

12641412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21520 (or 21511 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 12641412 is about 3555.4763393953. The cubic root of 12641412 is about 232.9513304990.

The spelling of 12641412 in words is "twelve million, six hundred forty-one thousand, four hundred twelve".