11621743 has 12 divisors (see below), whose sum is σ = 13499728. Its totient is φ = 9800640.

The previous prime is 11621723. The next prime is 11621773. The reversal of 11621743 is 34712611.

11621743 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11621743 - 2²¹ = 9524591 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

11621743 is a modest number, since divided by 1743 gives 1162 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48103 + ... + 48343.

Almost surely, 2^11621743 is an apocalyptic number.

11621743 is a deficient number, since it is larger than the sum of its proper divisors (1877985).

11621743 is an frugal number, since it uses more digits than its factorization.

11621743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 331 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 11621743 is about 3409.0677611335. The cubic root of 11621743 is about 226.5115867808.

The spelling of 11621743 in words is "eleven million, six hundred twenty-one thousand, seven hundred forty-three".