12701988 has 96 divisors (see below), whose sum is σ = 36220800. Its totient is φ = 3825792.

The previous prime is 12701981. The next prime is 12701993. The reversal of 12701988 is 88910721.

It is a super-2 number, since 2×12701988² = 322680998304288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 116478 + ... + 116586.

It is an arithmetic number, because the mean of its divisors is an integer number (377300).

Almost surely, 2^12701988 is an apocalyptic number.

12701988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12701988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18110400).

12701988 is an abundant number, since it is smaller than the sum of its proper divisors (23518812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12701988 is a wasteful number, since it uses less digits than its factorization.

12701988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 12701988 is about 3563.9848484526. The cubic root of 12701988 is about 233.3228285520.

It can be divided in two parts, 12701 and 988, that added together give a square (13689 = 117²).

The spelling of 12701988 in words is "twelve million, seven hundred one thousand, nine hundred eighty-eight".