11953494 has 80 divisors (see below), whose sum is σ = 31223808. Its totient is φ = 3347568.

The previous prime is 11953493. The next prime is 11953511. The reversal of 11953494 is 49435911.

It is a happy number.

11953494 is a `hidden beast` number, since 119 + 53 + 494 = 666.

It is a super-3 number, since 3×11953494³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11953493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 94059 + ... + 94185.

Almost surely, 2^11953494 is an apocalyptic number.

11953494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11953494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15611904).

11953494 is an abundant number, since it is smaller than the sum of its proper divisors (19270314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11953494 is a wasteful number, since it uses less digits than its factorization.

11953494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 222 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 11953494 is about 3457.3825359656. The cubic root of 11953494 is about 228.6467096153.

The spelling of 11953494 in words is "eleven million, nine hundred fifty-three thousand, four hundred ninety-four".