11949822 has 48 divisors (see below), whose sum is σ = 28072080. Its totient is φ = 3767472.

The previous prime is 11949809. The next prime is 11949851. The reversal of 11949822 is 22894911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19188 + ... + 19800.

It is an arithmetic number, because the mean of its divisors is an integer number (584835).

Almost surely, 2^11949822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11949822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14036040).

11949822 is an abundant number, since it is smaller than the sum of its proper divisors (16122258).

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

11949822 is a wasteful number, since it uses less digits than its factorization.

11949822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 637 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 11949822 is about 3456.8514576128. The cubic root of 11949822 is about 228.6232945172.

The spelling of 11949822 in words is "eleven million, nine hundred forty-nine thousand, eight hundred twenty-two".