12601642 has 4 divisors (see below), whose sum is σ = 18902466. Its totient is φ = 6300820.

The previous prime is 12601627. The next prime is 12601657. The reversal of 12601642 is 24610621.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12601627) and next prime (12601657).

It can be written as a sum of positive squares in only one way, i.e., 12595401 + 6241 = 3549^2 + 79^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3150409 + ... + 3150412.

Almost surely, 2^12601642 is an apocalyptic number.

12601642 is a deficient number, since it is larger than the sum of its proper divisors (6300824).

12601642 is an equidigital number, since it uses as much as digits as its factorization.

12601642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6300823.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12601642 is about 3549.8791528727. The cubic root of 12601642 is about 232.7067848527.

The spelling of 12601642 in words is "twelve million, six hundred one thousand, six hundred forty-two".