11722494 has 32 divisors (see below), whose sum is σ = 27141120. Its totient is φ = 3305952.

The previous prime is 11722489. The next prime is 11722499. The reversal of 11722494 is 49422711.

It is an interprime number because it is at equal distance from previous prime (11722489) and next prime (11722499).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11722499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1552 + ... + 5084.

It is an arithmetic number, because the mean of its divisors is an integer number (848160).

Almost surely, 2^11722494 is an apocalyptic number.

11722494 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 11722494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13570560).

11722494 is an abundant number, since it is smaller than the sum of its proper divisors (15418626).

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

11722494 is a wasteful number, since it uses less digits than its factorization.

11722494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624.

The product of its digits is 4032, while the sum is 30.

The square root of 11722494 is about 3423.8127869380. The cubic root of 11722494 is about 227.1642610377.

The spelling of 11722494 in words is "eleven million, seven hundred twenty-two thousand, four hundred ninety-four".