1278914 has 16 divisors (see below), whose sum is σ = 2361408. Its totient is φ = 505872.

The previous prime is 1278911. The next prime is 1278983. The reversal of 1278914 is 4198721.

It is not an unprimeable number, because it can be changed into a prime (1278911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3332 + ... + 3695.

It is an arithmetic number, because the mean of its divisors is an integer number (147588).

2^1278914 is an apocalyptic number.

1278914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1278914 is a deficient number, since it is larger than the sum of its proper divisors (1082494).

1278914 is a wasteful number, since it uses less digits than its factorization.

1278914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7049.

The product of its digits is 4032, while the sum is 32.

The square root of 1278914 is about 1130.8907993259. The cubic root of 1278914 is about 108.5459891261.

The spelling of 1278914 in words is "one million, two hundred seventy-eight thousand, nine hundred fourteen".