12901839 has 16 divisors (see below), whose sum is σ = 18234720. Its totient is φ = 8099840.

The previous prime is 12901831. The next prime is 12901853. The reversal of 12901839 is 93810921.

It is a cyclic number.

It is not a de Polignac number, because 12901839 - 2³ = 12901831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12901831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1759 + ... + 5375.

It is an arithmetic number, because the mean of its divisors is an integer number (1139670).

Almost surely, 2^12901839 is an apocalyptic number.

12901839 is a deficient number, since it is larger than the sum of its proper divisors (5332881).

12901839 is a wasteful number, since it uses less digits than its factorization.

12901839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3690.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 12901839 is about 3591.9130000600. The cubic root of 12901839 is about 234.5401540312.

The spelling of 12901839 in words is "twelve million, nine hundred one thousand, eight hundred thirty-nine".