12901356 has 72 divisors (see below), whose sum is σ = 36456784. Its totient is φ = 3965760.

The previous prime is 12901337. The next prime is 12901379. The reversal of 12901356 is 65310921.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12126 + ... + 13146.

Almost surely, 2^12901356 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 12901356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18228392).

12901356 is an abundant number, since it is smaller than the sum of its proper divisors (23555428).

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

12901356 is a wasteful number, since it uses less digits than its factorization.

12901356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053 (or 1039 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 12901356 is about 3591.8457650629. The cubic root of 12901356 is about 234.5372272054.

The spelling of 12901356 in words is "twelve million, nine hundred one thousand, three hundred fifty-six".