11897738 has 8 divisors (see below), whose sum is σ = 18422400. Its totient is φ = 5756940.

The previous prime is 11897723. The next prime is 11897747. The reversal of 11897738 is 83779811.

11897738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95888 + ... + 96011.

It is an arithmetic number, because the mean of its divisors is an integer number (2302800).

Almost surely, 2^11897738 is an apocalyptic number.

11897738 is a deficient number, since it is larger than the sum of its proper divisors (6524662).

11897738 is a wasteful number, since it uses less digits than its factorization.

11897738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191932.

The product of its digits is 84672, while the sum is 44.

The square root of 11897738 is about 3449.3097860297. The cubic root of 11897738 is about 228.2906547591.

The spelling of 11897738 in words is "eleven million, eight hundred ninety-seven thousand, seven hundred thirty-eight".