12703381 has 4 divisors (see below), whose sum is σ = 13372000. Its totient is φ = 12034764.

The previous prime is 12703367. The next prime is 12703501. The reversal of 12703381 is 18330721.

12703381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12703381 - 2¹⁷ = 12572309 is a prime.

It is a super-2 number, since 2×12703381² = 322751777662322, 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 (12703081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334281 + ... + 334318.

It is an arithmetic number, because the mean of its divisors is an integer number (3343000).

Almost surely, 2^12703381 is an apocalyptic number.

It is an amenable number.

12703381 is a deficient number, since it is larger than the sum of its proper divisors (668619).

12703381 is an equidigital number, since it uses as much as digits as its factorization.

12703381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668618.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12703381 is about 3564.1802704128. The cubic root of 12703381 is about 233.3313575796.

The spelling of 12703381 in words is "twelve million, seven hundred three thousand, three hundred eighty-one".