12675440 has 20 divisors (see below), whose sum is σ = 29470584. Its totient is φ = 5070144.

The previous prime is 12675431. The next prime is 12675449. The reversal of 12675440 is 4457621.

It is an interprime number because it is at equal distance from previous prime (12675431) and next prime (12675449).

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12675449) 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, 79142 + ... + 79301.

Almost surely, 2^12675440 is an apocalyptic number.

12675440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12675440 is an abundant number, since it is smaller than the sum of its proper divisors (16795144).

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

12675440 is a wasteful number, since it uses less digits than its factorization.

12675440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158456 (or 158450 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 12675440 is about 3560.2584175871. The cubic root of 12675440 is about 233.1601617595.

The spelling of 12675440 in words is "twelve million, six hundred seventy-five thousand, four hundred forty".