11431474 has 4 divisors (see below), whose sum is σ = 17147214. Its totient is φ = 5715736.

The previous prime is 11431471. The next prime is 11431489. The reversal of 11431474 is 47413411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47413411 = 281 ⋅168731.

It can be written as a sum of positive squares in only one way, i.e., 8732025 + 2699449 = 2955^2 + 1643^2 .

It is not an unprimeable number, because it can be changed into a prime (11431471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2857867 + ... + 2857870.

Almost surely, 2^11431474 is an apocalyptic number.

11431474 is a deficient number, since it is larger than the sum of its proper divisors (5715740).

11431474 is an equidigital number, since it uses as much as digits as its factorization.

11431474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715739.

The product of its digits is 1344, while the sum is 25.

The square root of 11431474 is about 3381.0462877636. The cubic root of 11431474 is about 225.2686437283.

Adding to 11431474 its reverse (47413411), we get a palindrome (58844885).

The spelling of 11431474 in words is "eleven million, four hundred thirty-one thousand, four hundred seventy-four".