12611970 has 64 divisors (see below), whose sum is σ = 38442240. Its totient is φ = 2882304.

The previous prime is 12611957. The next prime is 12611987. The reversal of 12611970 is 7911621.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1447 + ... + 5226.

It is an arithmetic number, because the mean of its divisors is an integer number (600660).

Almost surely, 2^12611970 is an apocalyptic number.

12611970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12611970 is an abundant number, since it is smaller than the sum of its proper divisors (25830270).

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

12611970 is a wasteful number, since it uses less digits than its factorization.

12611970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6696 (or 6690 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 12611970 is about 3551.3335523434. Note that the first 3 decimals coincide. The cubic root of 12611970 is about 232.7703411042.

The spelling of 12611970 in words is "twelve million, six hundred eleven thousand, nine hundred seventy".