11970637 has 4 divisors (see below), whose sum is σ = 13680736. Its totient is φ = 10260540.

The previous prime is 11970587. The next prime is 11970643. The reversal of 11970637 is 73607911.

It is a happy number.

11970637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11970637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11970667) 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, 855039 + ... + 855052.

It is an arithmetic number, because the mean of its divisors is an integer number (3420184).

Almost surely, 2^11970637 is an apocalyptic number.

It is an amenable number.

11970637 is a deficient number, since it is larger than the sum of its proper divisors (1710099).

11970637 is an equidigital number, since it uses as much as digits as its factorization.

11970637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710098.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 11970637 is about 3459.8608353516. The cubic root of 11970637 is about 228.7559613046.

It can be divided in two parts, 119 and 70637, that added together give a square (70756 = 266²).

The spelling of 11970637 in words is "eleven million, nine hundred seventy thousand, six hundred thirty-seven".