10913987 has 8 divisors (see below), whose sum is σ = 12495456. Its totient is φ = 9338112.

The previous prime is 10913941. The next prime is 10914023. The reversal of 10913987 is 78931901.

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

It is not a de Polignac number, because 10913987 - 2¹⁴ = 10897603 is a prime.

It is a super-2 number, since 2×10913987² = 238230224472338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10913987.

It is not an unprimeable number, because it can be changed into a prime (10913687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4403 + ... + 6419.

It is an arithmetic number, because the mean of its divisors is an integer number (1561932).

Almost surely, 2^10913987 is an apocalyptic number.

10913987 is a deficient number, since it is larger than the sum of its proper divisors (1581469).

10913987 is an equidigital number, since it uses as much as digits as its factorization.

10913987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 10913987 is about 3303.6323948042. The cubic root of 10913987 is about 221.8168212732.

The spelling of 10913987 in words is "ten million, nine hundred thirteen thousand, nine hundred eighty-seven".