11278494 has 32 divisors (see below), whose sum is σ = 25178880. Its totient is φ = 3742200.

The previous prime is 11278493. The next prime is 11278507. The reversal of 11278494 is 49487211.

It is a super-3 number, since 3×11278494³ (a number of 22 digits) contains 333 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11278493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17559 + ... + 18189.

It is an arithmetic number, because the mean of its divisors is an integer number (786840).

Almost surely, 2^11278494 is an apocalyptic number.

11278494 is an abundant number, since it is smaller than the sum of its proper divisors (13900386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11278494 is a wasteful number, since it uses less digits than its factorization.

11278494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 967 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 11278494 is about 3358.3469147782. The cubic root of 11278494 is about 224.2592528704.

It can be divided in two parts, 112 and 78494, that added together give a triangular number (78606 = T₃₉₆).

The spelling of 11278494 in words is "eleven million, two hundred seventy-eight thousand, four hundred ninety-four".