12901031 has 8 divisors (see below), whose sum is σ = 15156624. Its totient is φ = 10825920.

The previous prime is 12901001. The next prime is 12901037. The reversal of 12901031 is 13010921.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12901031 - 2²² = 8706727 is a prime.

It is a super-2 number, since 2×12901031² = 332873201725922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12901037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44966 + ... + 45251.

It is an arithmetic number, because the mean of its divisors is an integer number (1894578).

Almost surely, 2^12901031 is an apocalyptic number.

12901031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12901031 is a deficient number, since it is larger than the sum of its proper divisors (2255593).

12901031 is a wasteful number, since it uses less digits than its factorization.

12901031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90241.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 12901031 is about 3591.8005234144. The cubic root of 12901031 is about 234.5352577680.

Adding to 12901031 its reverse (13010921), we get a palindrome (25911952).

The spelling of 12901031 in words is "twelve million, nine hundred one thousand, thirty-one".