11961351 has 10 divisors (see below), whose sum is σ = 17868312. Its totient is φ = 7974180.

The previous prime is 11961349. The next prime is 11961373. The reversal of 11961351 is 15316911.

It is not a de Polignac number, because 11961351 - 2¹ = 11961349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11961151) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 73755 + ... + 73916.

Almost surely, 2^11961351 is an apocalyptic number.

11961351 is a deficient number, since it is larger than the sum of its proper divisors (5906961).

11961351 is an equidigital number, since it uses as much as digits as its factorization.

11961351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147683 (or 147674 counting only the distinct ones).

The product of its digits is 810, while the sum is 27.

The square root of 11961351 is about 3458.5186135107. The cubic root of 11961351 is about 228.6967949358.

The spelling of 11961351 in words is "eleven million, nine hundred sixty-one thousand, three hundred fifty-one".