11457949 has 8 divisors (see below), whose sum is σ = 12269880. Its totient is φ = 10661376.

The previous prime is 11457947. The next prime is 11457959. The reversal of 11457949 is 94975411.

It can be written as a sum of positive squares in 4 ways, for example, as 5257849 + 6200100 = 2293^2 + 2490^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11457949 - 2¹ = 11457947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11457947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2274 + ... + 5299.

It is an arithmetic number, because the mean of its divisors is an integer number (1533735).

Almost surely, 2^11457949 is an apocalyptic number.

It is an amenable number.

11457949 is a deficient number, since it is larger than the sum of its proper divisors (811931).

11457949 is an equidigital number, since it uses as much as digits as its factorization.

11457949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7679.

The product of its digits is 45360, while the sum is 40.

The square root of 11457949 is about 3384.9592316600. The cubic root of 11457949 is about 225.4424151104.

The spelling of 11457949 in words is "eleven million, four hundred fifty-seven thousand, nine hundred forty-nine".