12435970 has 24 divisors (see below), whose sum is σ = 22783284. Its totient is φ = 4887168.

The previous prime is 12435949. The next prime is 12435971. The reversal of 12435970 is 7953421.

It can be written as a sum of positive squares in 6 ways, for example, as 923521 + 11512449 = 961^2 + 3393^2 .

It is not an unprimeable number, because it can be changed into a prime (12435971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79132 + ... + 79288.

Almost surely, 2^12435970 is an apocalyptic number.

12435970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12435970 is a deficient number, since it is larger than the sum of its proper divisors (10347314).

12435970 is an equidigital number, since it uses as much as digits as its factorization.

12435970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 12435970 is about 3526.4670705963. The cubic root of 12435970 is about 231.6824952236.

The spelling of 12435970 in words is "twelve million, four hundred thirty-five thousand, nine hundred seventy".