12901252 has 72 divisors (see below), whose sum is σ = 29481536. Its totient is φ = 4809024.

The previous prime is 12901237. The next prime is 12901267. The reversal of 12901252 is 25210921.

It is an interprime number because it is at equal distance from previous prime (12901237) and next prime (12901267).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 192523 + ... + 192589.

Almost surely, 2^12901252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12901252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14740768).

12901252 is an abundant number, since it is smaller than the sum of its proper divisors (16580284).

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

12901252 is a wasteful number, since it uses less digits than its factorization.

12901252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 12901252 is about 3591.8312877974. The cubic root of 12901252 is about 234.5365969890.

The spelling of 12901252 in words is "twelve million, nine hundred one thousand, two hundred fifty-two".