11917070 has 32 divisors (see below), whose sum is σ = 23607936. Its totient is φ = 4295200.

The previous prime is 11917067. The next prime is 11917097. The reversal of 11917070 is 7071911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13997 + ... + 14823.

It is an arithmetic number, because the mean of its divisors is an integer number (737748).

Almost surely, 2^11917070 is an apocalyptic number.

11917070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11917070 is a deficient number, since it is larger than the sum of its proper divisors (11690866).

11917070 is a wasteful number, since it uses less digits than its factorization.

11917070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976.

The product of its (nonzero) digits is 441, while the sum is 26.

The square root of 11917070 is about 3452.1109483909. The cubic root of 11917070 is about 228.4142336213.

Adding to 11917070 its reverse (7071911), we get a palindrome (18988981).

The spelling of 11917070 in words is "eleven million, nine hundred seventeen thousand, seventy".