13440254 has 8 divisors (see below), whose sum is σ = 20177040. Its totient is φ = 6714576.

The previous prime is 13440241. The next prime is 13440269. The reversal of 13440254 is 45204431.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682 + ... + 5450.

It is an arithmetic number, because the mean of its divisors is an integer number (2522130).

Almost surely, 2^13440254 is an apocalyptic number.

13440254 is a deficient number, since it is larger than the sum of its proper divisors (6736786).

13440254 is a wasteful number, since it uses less digits than its factorization.

13440254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 13440254 is about 3666.0951978911. The cubic root of 13440254 is about 237.7583758751.

Adding to 13440254 its reverse (45204431), we get a palindrome (58644685).

The spelling of 13440254 in words is "thirteen million, four hundred forty thousand, two hundred fifty-four".