11321434 has 4 divisors (see below), whose sum is σ = 16982154. Its totient is φ = 5660716.

The previous prime is 11321399. The next prime is 11321437. The reversal of 11321434 is 43412311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43412311 = 71 ⋅611441.

It can be written as a sum of positive squares in only one way, i.e., 11202409 + 119025 = 3347^2 + 345^2 .

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11321437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2830357 + ... + 2830360.

Almost surely, 2^11321434 is an apocalyptic number.

11321434 is a deficient number, since it is larger than the sum of its proper divisors (5660720).

11321434 is an equidigital number, since it uses as much as digits as its factorization.

11321434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5660719.

The product of its digits is 288, while the sum is 19.

The square root of 11321434 is about 3364.7338676335. The cubic root of 11321434 is about 224.5434958208.

Adding to 11321434 its reverse (43412311), we get a palindrome (54733745).

The spelling of 11321434 in words is "eleven million, three hundred twenty-one thousand, four hundred thirty-four".