12901896 has 192 divisors, whose sum is σ = 44323200. Its totient is φ = 3459456.

The previous prime is 12901879. The next prime is 12901913. The reversal of 12901896 is 69810921.

It is an interprime number because it is at equal distance from previous prime (12901879) and next prime (12901913).

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 12901896.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243406 + ... + 243458.

It is an arithmetic number, because the mean of its divisors is an integer number (230850).

Almost surely, 2^12901896 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 12901896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22161600).

12901896 is an abundant number, since it is smaller than the sum of its proper divisors (31421304).

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

12901896 is a wasteful number, since it uses less digits than its factorization.

12901896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 12901896 is about 3591.9209345419. The cubic root of 12901896 is about 234.5404994282.

The spelling of 12901896 in words is "twelve million, nine hundred one thousand, eight hundred ninety-six".