11514457 has 4 divisors (see below), whose sum is σ = 12191796. Its totient is φ = 10837120.

The previous prime is 11514449. The next prime is 11514469. The reversal of 11514457 is 75441511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9634816 + 1879641 = 3104^2 + 1371^2 .

It is a cyclic number.

It is not a de Polignac number, because 11514457 - 2³ = 11514449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11514407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338644 + ... + 338677.

It is an arithmetic number, because the mean of its divisors is an integer number (3047949).

Almost surely, 2^11514457 is an apocalyptic number.

11514457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11514457 is a deficient number, since it is larger than the sum of its proper divisors (677339).

11514457 is an equidigital number, since it uses as much as digits as its factorization.

11514457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677338.

The product of its digits is 2800, while the sum is 28.

The square root of 11514457 is about 3393.2958904287. The cubic root of 11514457 is about 225.8124177680.

Adding to 11514457 its reverse (75441511), we get a palindrome (86955968).

The spelling of 11514457 in words is "eleven million, five hundred fourteen thousand, four hundred fifty-seven".