11497438 has 4 divisors (see below), whose sum is σ = 17246160. Its totient is φ = 5748718.

The previous prime is 11497397. The next prime is 11497487. The reversal of 11497438 is 83479411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83479411 = 5197 ⋅16063.

It is a junction number, because it is equal to n+sod(n) for n = 11497397 and 11497406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2874358 + ... + 2874361.

It is an arithmetic number, because the mean of its divisors is an integer number (4311540).

Almost surely, 2^11497438 is an apocalyptic number.

11497438 is a deficient number, since it is larger than the sum of its proper divisors (5748722).

11497438 is an equidigital number, since it uses as much as digits as its factorization.

11497438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748721.

The product of its digits is 24192, while the sum is 37.

The square root of 11497438 is about 3390.7872242298. The cubic root of 11497438 is about 225.7011085234.

It can be divided in two parts, 11497 and 438, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 11497438 in words is "eleven million, four hundred ninety-seven thousand, four hundred thirty-eight".