11717378 has 4 divisors (see below), whose sum is σ = 17576070. Its totient is φ = 5858688.

The previous prime is 11717353. The next prime is 11717393. The reversal of 11717378 is 87371711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87371711 = 7 ⋅12481673.

It can be written as a sum of positive squares in only one way, i.e., 11336689 + 380689 = 3367^2 + 617^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2929343 + ... + 2929346.

Almost surely, 2^11717378 is an apocalyptic number.

11717378 is a deficient number, since it is larger than the sum of its proper divisors (5858692).

11717378 is an equidigital number, since it uses as much as digits as its factorization.

11717378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5858691.

The product of its digits is 8232, while the sum is 35.

The square root of 11717378 is about 3423.0655851152. The cubic root of 11717378 is about 227.1312094400.

The spelling of 11717378 in words is "eleven million, seven hundred seventeen thousand, three hundred seventy-eight".