1215914 has 8 divisors (see below), whose sum is σ = 2084448. Its totient is φ = 521100.

The previous prime is 1215899. The next prime is 1215917. The reversal of 1215914 is 4195121.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1215914.

It is not an unprimeable number, because it can be changed into a prime (1215917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43412 + ... + 43439.

It is an arithmetic number, because the mean of its divisors is an integer number (260556).

2^1215914 is an apocalyptic number.

1215914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1215914 is a deficient number, since it is larger than the sum of its proper divisors (868534).

1215914 is an equidigital number, since it uses as much as digits as its factorization.

1215914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86860.

The product of its digits is 360, while the sum is 23.

The square root of 1215914 is about 1102.6849051293. The cubic root of 1215914 is about 106.7335496336.

The spelling of 1215914 in words is "one million, two hundred fifteen thousand, nine hundred fourteen".