12901390 has 16 divisors (see below), whose sum is σ = 24232608. Its totient is φ = 4936096.

The previous prime is 12901381. The next prime is 12901393. The reversal of 12901390 is 9310921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12901393) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27817 + ... + 28276.

It is an arithmetic number, because the mean of its divisors is an integer number (1514538).

Almost surely, 2^12901390 is an apocalyptic number.

12901390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12901390 is a deficient number, since it is larger than the sum of its proper divisors (11331218).

12901390 is a wasteful number, since it uses less digits than its factorization.

12901390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56123.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 12901390 is about 3591.8504980024. The cubic root of 12901390 is about 234.5374332369.

The spelling of 12901390 in words is "twelve million, nine hundred one thousand, three hundred ninety".