12901272 has 32 divisors (see below), whose sum is σ = 32384880. Its totient is φ = 4282880.

The previous prime is 12901267. The next prime is 12901277. The reversal of 12901272 is 27210921.

12901272 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12901267) and next prime (12901277).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12901277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5788 + ... + 7700.

Almost surely, 2^12901272 is an apocalyptic number.

12901272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12901272 is an abundant number, since it is smaller than the sum of its proper divisors (19483608).

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

12901272 is a wasteful number, since it uses less digits than its factorization.

12901272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203 (or 2199 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12901272 is about 3591.8340718914. The cubic root of 12901272 is about 234.5367181847.

The spelling of 12901272 in words is "twelve million, nine hundred one thousand, two hundred seventy-two".