12701989 has 8 divisors (see below), whose sum is σ = 13115168. Its totient is φ = 12292560.

The previous prime is 12701981. The next prime is 12701993. The reversal of 12701989 is 98910721.

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 12701989 - 2³ = 12701981 is a prime.

It is a super-2 number, since 2×12701989² = 322681049112242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12701981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6994 + ... + 8620.

It is an arithmetic number, because the mean of its divisors is an integer number (1639396).

Almost surely, 2^12701989 is an apocalyptic number.

It is an amenable number.

12701989 is a deficient number, since it is larger than the sum of its proper divisors (413179).

12701989 is a wasteful number, since it uses less digits than its factorization.

12701989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 12701989 is about 3563.9849887450. The cubic root of 12701989 is about 233.3228346750.

The spelling of 12701989 in words is "twelve million, seven hundred one thousand, nine hundred eighty-nine".