11401426 has 4 divisors (see below), whose sum is σ = 17102142. Its totient is φ = 5700712.

The previous prime is 11401417. The next prime is 11401427. The reversal of 11401426 is 62410411.

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

It can be written as a sum of positive squares in only one way, i.e., 11229201 + 172225 = 3351^2 + 415^2 .

It is a super-3 number, since 3×11401426³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11401427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2850355 + ... + 2850358.

Almost surely, 2^11401426 is an apocalyptic number.

11401426 is a deficient number, since it is larger than the sum of its proper divisors (5700716).

11401426 is an equidigital number, since it uses as much as digits as its factorization.

11401426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700715.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11401426 is about 3376.5997689984. The cubic root of 11401426 is about 225.0710952285.

Adding to 11401426 its reverse (62410411), we get a palindrome (73811837).

The spelling of 11401426 in words is "eleven million, four hundred one thousand, four hundred twenty-six".