12601940 has 48 divisors (see below), whose sum is σ = 30011520. Its totient is φ = 4406400.

The previous prime is 12601937. The next prime is 12601943. The reversal of 12601940 is 4910621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12601937) and next prime (12601943).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12601943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3665 + ... + 6215.

It is an arithmetic number, because the mean of its divisors is an integer number (625240).

Almost surely, 2^12601940 is an apocalyptic number.

12601940 is a gapful number since it is divisible by the number (10) 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 12601940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15005760).

12601940 is an abundant number, since it is smaller than the sum of its proper divisors (17409580).

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

12601940 is a wasteful number, since it uses less digits than its factorization.

12601940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592 (or 2590 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 12601940 is about 3549.9211258843. The cubic root of 12601940 is about 232.7086191659.

The spelling of 12601940 in words is "twelve million, six hundred one thousand, nine hundred forty".