11986351 has 4 divisors (see below), whose sum is σ = 12908392. Its totient is φ = 11064312.

The previous prime is 11986339. The next prime is 11986357. The reversal of 11986351 is 15368911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15368911 = 661 ⋅23251.

It is a cyclic number.

It is not a de Polignac number, because 11986351 - 2⁵ = 11986319 is a prime.

It is a super-2 number, since 2×11986351² = 287345220590402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11986357) 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, 461001 + ... + 461026.

It is an arithmetic number, because the mean of its divisors is an integer number (3227098).

Almost surely, 2^11986351 is an apocalyptic number.

11986351 is a deficient number, since it is larger than the sum of its proper divisors (922041).

11986351 is an equidigital number, since it uses as much as digits as its factorization.

11986351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922040.

The product of its digits is 6480, while the sum is 34.

The square root of 11986351 is about 3462.1309911671. The cubic root of 11986351 is about 228.8560144430.

The spelling of 11986351 in words is "eleven million, nine hundred eighty-six thousand, three hundred fifty-one".