1212380 has 24 divisors (see below), whose sum is σ = 2742432. Its totient is φ = 447552.

The previous prime is 1212373. The next prime is 1212397. The reversal of 1212380 is 832121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2072 + ... + 2591.

It is an arithmetic number, because the mean of its divisors is an integer number (114268).

2^1212380 is an apocalyptic number.

1212380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212380 is an abundant number, since it is smaller than the sum of its proper divisors (1530052).

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

1212380 is a wasteful number, since it uses less digits than its factorization.

1212380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685 (or 4683 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1212380 is about 1101.0812867359. The cubic root of 1212380 is about 106.6300438510.

The spelling of 1212380 in words is "one million, two hundred twelve thousand, three hundred eighty".